nocturne
Concise Oxford English Dictionary © 2008 Oxford University Press:
nocturne /ˈnɒktəːn/
▶noun
- 1 Music a short composition of a romantic nature.
- 2 Art a picture of a night scene.
– origin C19: Fr., from L. nocturnus ‘of the night’.
'nocturne' also found in these Oxford entries:

